At the risk of being rude, some of it is just foam finger, jingoistic narcissism. Much is swept under the rug of "fit".

And employers want what they think they want. I've been forced to (inadvertently) undermine the Great Developer too many places to think otherwise.

Lest ye think otherwise, I'm not that good. I'm just rigorous but I can switch modes and hack like a shameless... hacker.